Function B

xiaohongshu/test.js:1248–1253

(e, t, n, r, i, o)

                    e[n + i] = t >>> 8 * (r ? i : 3 - i) & 255
            }
            function B(e, t, n, r, i, o) {
                if (n + r > e.length)
                    throw new RangeError("Index out of range");
                if (n < 0)
                    throw new RangeError("Index out of range")
            }
            function N(e, t, n, r, o) {
                return o || B(e, 0, n, 4),
                i.write(e, t, n, r, 23, 4),